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Cognitive and encrypted communications: state of the art and a new approach for frequency-agile filters
Active filters cognitive radio current controlled conveyors frequency agile filters
2011/3/22
Several communication techniques are investigated in the first part of this paper: software radio, cognitive radio and encrypted communications. State of the art of research on agile and reconfigurabl...
Comparison of Basic Linear Filters in Extracting Auditory Evoked Potentials
Adaptive filtering Wiener filtering auditory evoked potential
2009/7/28
In the present study, the performances of two well-known linear filtering techniques are compared for extraction of auditory Evoked Potential (EP) from a relatively small number of sweeps. Both experi...
State-Space Synthesis of Current-Mode First-Order Log-Domain Filters
Log-domain filters current-mode circuits state-space synthesis
2009/7/28
This paper proposes current-mode first-order log-domain filters, which are systematically derived using the state-space synthesis procedure. First-order low-pass, high-pass, and all-pass responses are...
Parametrically Tunable Audio Shelving And Equalizing Ladder Wave Digital Filters
Tunable parameters audio shelving filters equalizing filters
2009/7/28
Parametrically tunable audio equalizers are conventionally realized using allpass digital filter networks. They consist of first-order shelving filters and second-order equalizing filters. In this pap...
Time-Domain Simulation of Thin Material Boundaries and Thin Panels Using Digital Filters in TLM
Transmission line matrix shielding effectiveness digital filters thin material boundaries
2009/7/28
In this paper, the design and implementation of digital filters for the time-domain simulation of electromagnetic wave interaction with thin material boundaries and thin panels using the Transmission-...
Comment on “Voltage-Mode All-Pass Filters Including Minimum Component Count Circuits”
Voltage-Mode All-Pass Filters Minimum Component Count Circuits
2010/12/3
This comment is related to the recently published article “Active and Passive Electronic Components” by S. Maheshwari (2007), which presents single current differencing buffered amplifier (CDBA) and c...
Modeling and Measurements of Novel Monolithic Filters
Novel Monolithic Filters hairpin resonators ferroelectric materials
2010/12/6
This paper presents novel multilayer tuneable high Q-filters based on hairpin resonators including ferroelectric materials. This configuration allows the miniaturization of these filters to a size tha...
Compact Bandstop Filters with Extended Upper Passbands
bandstop filters extended upper passbands
2010/12/6
This paper presents new compact bandstop filters (BSFs) with extended upper passbands. In the basic proposed filter configuration, the conventional quarter-wavelength open-stub resonators are replaced...
Design of a Broadband Parallel-Coupled Microstrip Filters without Spurious Resonances
a Broadband Parallel-Coupled Microstrip Filters Spurious Resonances
2010/12/6
A design of parallel-coupled microstrip bandpass filters without spurious resonance is presented. Two different techniques are used to eliminate this response at twice the passband frequency (2fo). Th...
New Current-Mode Bandpass Filters Using Three Single-Output ICCIIs
New Current-Mode Bandpass Filters Three Single-Output ICCIIs
2010/12/6
New current-mode bandpass filters using three single outputs inverting second generation current conveyors (ICCII) are introduced. The first circuit uses two ICCII+ and one ICCII−, and realizes ...
Voltage-Mode All-Pass Filters Including Minimum Component Count Circuits
Voltage-Mode All-Pass Filters Minimum Component Count Circuits
2010/12/6
This paper presents two new first-order voltage-mode all-pass filters using a single-current differencing buffered amplifier and four passive components. Each circuit is compatible to a current-contro...
Novel Grounded Capacitor All-Pass and Notch Filters Using Current Conveyors and Differential Amplifier
Active filters All-pass filters Notch filters Current conveyor
2010/12/7
Three circuits each realizing second-order all-pass/notch filter transfer functions are reported. All circuits use grounded capacitors and are suitable for IC implementation. These circuits offer the ...
Simulation and Realization of Some CMOS-Transconductor Vhf Filters
VHF filters CMOS circuits Circuit simulation Transconductor filters
2010/12/7
CMOS circuits for integrated analog filters at very high frequencies have been designed through PSPICE based on the Transconductance-C integrator. They have been implemented on the bread board and man...
The Potential of Reactively RF Sputtered ZnO Thin Films for the Fabrication of Microwave Filters
Zinc oxide Overmoded resonator Piezoelectric filters BAW
2010/12/8
The piezoelectric properties of reactively sputtered ZnO thin films deposited on glass and silicon substrates were studied in order to assess their potential for the construction of RF overmoded filte...
Design and Analytical Study of Strays-Insensitive Switched-Capacitor Filters
filter circuits single chips Strays-Insensitive Switched-Capacitor Filters
2010/12/14
Use of analog circuit elements in active networks have become very common and the demand for their miniaturization is increasing day by day. Though several methods are available for the miniaturizatio...